Question Detail

PHY 104 Pitch, loudness, quality, timber Objective Question
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Question

What common characteristic do the units decibel, bel, and neper share regarding their dimensions?
Options
A They are all units of power
B They are all dimensionless
Correct Answer
C They all measure frequency
D They are all derived from voltage
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text explicitly states: 'Notice that all these units are dimensionless.'

Hint

Consider what happens to the units when you take the logarithm of a ratio of two quantities with the same units.

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 365 of 947
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